#include "stock10.h"
#include <iostream>

// constructor (verbose versions)
Stock10::Stock10() //default constructor
{
	std::cout << "Default constructor called.\n";

	company = "no name";
	shares = 0;
	share_val = 0.0;
	total_val = 0.0;

}

Stock10::Stock10(const std::string& co, long n, double pr)
{
	std::cout << "ConStructor using " << co << " called.\n";

	if (n < 0)
	{
		std::cout << "Number of shares can't be negative;"
			<< company << " shares set to 0.\n";
		shares = 0;
	}
	else
	{
		shares = n;
	}
	company = co;
	share_val = pr;

	set_tot();
}
//class destructor
Stock10::~Stock10() //verbose class dectructor
{
	std::cout << "Bye, " << company << " !\n";
}

void Stock10::buy(long num, double price)
{
	if (num < 0)
	{
		std::cout << "Number of shares purchased can't be negative."
			<< "Transaction is aborted.\n";

	}
	else
	{
		shares += num;
		share_val = price;
		set_tot();
	}


}

void Stock10::sell(long num, double price)
{
	using std::cout;

	if (num < 0)
	{
		cout << "Number of shares sold can't be negative."
			<< "Transaction is aborted.\n";
	}
	else if (num > shares)
	{
		cout << "You can't sell more than you have! "
			<< "Transaction is aborted.\n";
	}
	else
	{
		shares -= num;
		share_val = price;
		set_tot();
	}



}

void Stock10::update(double price)
{
	share_val = price;
	set_tot();
}


void Stock10::show(void)
{

	using std::cout;
	using std::ios_base;
	//set format to #.###
	ios_base::fmtflags orig = cout.setf(ios_base::fixed, ios_base::floatfield);
	std::streamsize prec = cout.precision(3);

	cout << "Company: " << company
		<< " Shares: " << shares << "\n"
		<< " Share Price: $" << share_val;
	// set format to #.##
	cout.precision(2);
	cout << " Total Worth: $" << total_val << "\n";

	//restore original format
	cout.setf(orig, ios_base::floatfield);
	cout.precision(prec);

}

